Sheet Pan Portobello Fajitas

Name: Sheet Pan Portobello Fajitas
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Cuisine: Latin American, American, Mexican
Ingredients: 1 Tbsp chili powder* ($0.30); 1/2 tsp chipotle powder ($0.05); 1/2 tsp onion powder ($0.05); 1 tsp cumin ($0.10); 1/2 tsp garlic powder ($0.05); 1 tsp sugar** ($0.05); 1/2 tsp salt ($0.03); 2 portobello mushroom caps ($3.99); 2 bell peppers (any color) ($2.29); 2 yellow onions ($0.64); 3 Tbsp olive oil ($0.38); 8 small flour tortillas (6-inch) ($1.00); 1 avocado ($1.09); handful cilantro (optional) ($0.25); 1 fresh lime ($0.59)